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drm/amdgpu: Derive active clusters from SDMA 

SDMA instances per active cluster and SDMA instance mask are used
to find the number of active clusters.

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lijo Lazar 2022-11-28 11:17:15 +05:30 committed by Alex Deucher
parent dc6df2095d
commit bbca579fd2
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/aqua_vanjaram_reg_init.c
View File

@ -357,12 +357,22 @@ static int aqua_vanjaram_xcp_mgr_init(struct amdgpu_device *adev)
int aqua_vanjaram_init_soc_config(struct amdgpu_device *adev)
{
u32 inst_mask = adev->sdma.sdma_mask;
int ret;
/* generally 1 AID supports 4 instances */
adev->sdma.num_inst_per_aid = 4;
adev->sdma.num_instances = NUM_SDMA(adev->sdma.sdma_mask);
adev->num_aid = 1;
inst_mask >>= adev->sdma.num_inst_per_aid;
for (const u32 mask = (1 << adev->sdma.num_inst_per_aid) - 1; inst_mask;
inst_mask >>= adev->sdma.num_inst_per_aid) {
if ((inst_mask & mask) == mask)
adev->num_aid++;
}
adev->vcn.num_inst_per_aid = 1;
adev->vcn.num_vcn_inst = adev->vcn.num_inst_per_aid * adev->num_aid;
adev->jpeg.num_inst_per_aid = 1;